003150000a2200109000450024500630000065000290006365000170009265000210010904100130013010000170014377300450016010aSimple method for the biological assessment of the effects14aContaminación del agua14aBioquímica14aFauna acuática0 aInglés1 aCairns, John1 tJournal WPCF31223h5q755-772d1971g43